const cloud = require('wx-server-sdk')

// 初始化 cloud
cloud.init({
    // API 调用都保持和云函数当前所在环境一致
    env: cloud.DYNAMIC_CURRENT_ENV
})
const db = cloud.database();
const _ = db.command;
/**
 * 这个示例将经自动鉴权过的小程序用户 openid 返回给小程序端
 * 
 * event 参数包含小程序端调用传入的 data
 * 
 */
exports.main = async(event, context) => {
    const response = {};
    const { OPENID } = cloud.getWXContext();
    const { data: dakaRecords } = await db.collection('dakaRecords')
        .where({
            openid: _.eq(OPENID)
        })
        .get();
    const dakaRecordsDateResult = await cloud.callFunction({
        name: 'getDakaRecordListsDate'
    })

    const dakaRecordsDate = dakaRecordsDateResult.result.body || [];
    const data = dakaRecordsDate.map(dateString => dakaRecords
        .filter(dakaItem => dakaItem.createdDay === dateString)
        .length
    )
    response.code = 200;
    response.body = {
        data,
        date: dakaRecordsDate
    }
    return response;
}